Home / 1,809,419.70-2,713,145.40-744,569.40

Finding the Fourth Proportional to 1,809,419.70, 2,713,145.40 and 744,569.40

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Solution

The fourth proportional to 1,809,419.70, 2,713,145.40 and 744,569.40 is: 1,116,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,419.70 : 2,713,145.40 = 744,569.40 : x
  2. Step 2: Convert to fraction form
    1,809,419.70/2,713,145.40 = 744,569.40/x
  3. Step 3: Cross multiply
    1,809,419.70x = 2,713,145.40 × 744,569.40
  4. Step 4: Simplify right side
    1,809,419.70x = 2,020,125,042,590.76
  5. Step 5: Solve for x
    x = 2,020,125,042,590.76/1,809,419.70
  6. Step 6: Final answer
    x = 1,116,449.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.